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Actress Kristen Bell has garnered attention for her innovative approach to maintaining stable blood sugar levels, which she refers to as biohacking. During an interview on the Emmys 2025 red carpet, her co-star Justine Lupe shared insight into Bell’s intriguing dietary habits.
Lupe revealed that Bell is deeply committed to biohacking, stating, “The most surprising thing I’ve learned about [Bell] is that she’s obsessed with biohacking in a way that I don’t know if anyone else has been as obsessed with biohacking.” This keen interest in health optimization includes utilizing specific dietary strategies to manage glucose levels effectively.
When asked about practical tips, Lupe commented, “You ask her anything about your glucose levels, you ask her how to plug up your system before you eat a bowl of pasta, the woman knows what the heck to do.” This conversation highlights Bell’s practical expertise in dietary management.
The Core Principle of Biohacking
Biohacking encompasses various methods aimed at enhancing health through personal adjustments to lifestyle and diet. Bell’s approach specifically emphasizes dietary changes. According to Lupe, prior to enjoying carbohydrates, Bell often incorporates fiber-rich leafy greens, such as spinach, into her meals. This technique is designed to significantly slow the body’s absorption of carbohydrates, which can help maintain even blood sugar levels.
Using fiber-drenched foods, such as leafy greens, can be a vital step in regulating glucose levels. For those seeking alternatives, adding apple cider vinegar or fiber supplements like Metamucil can yield similar benefits. Lupe shared, “It supposedly stabilizes your glucose. You can thank Kristen Bell for that, everyone.”
Expert Insights on Dietary Fiber and Blood Sugar
Registered dietitian and nutritionist Amy Shapiro explained the science behind Bell’s dietary choices when she spoke to the New York Post. She clarified, “Preloading the body with fiber can slow glucose absorption into the bloodstream.” This process facilitates a gradual increase in blood sugar levels, helping to avoid sharp spikes that often lead to crashes and increased cravings.
Research supports the idea that apple cider vinegar can be effective in managing weight and regulating blood sugar levels. This was highlighted by Christina Palmisano, a registered dietitian nutritionist, who noted the role of apple cider vinegar as a prebiotic fiber source vital for gut health. Well-fed gut bacteria can contribute to improved digestion and overall well-being.
This effectiveness can extend beyond digestion alone. Shapiro elaborated that a stable blood glucose response can improve mood, enhance concentration, and enhance feelings of fullness. It can significantly lower the risk of developing insulin resistance, type 2 diabetes, obesity, and cardiovascular diseases.
Shapiro remarked, “While it’s not a magic bullet, both strategies can make a measurable difference in glucose response for many people.” She placed emphasis on real food fiber—leafy greens—as the most effective option, followed by supplemental fiber and vinegar as an optional addition.
Considerations and Cautions
While discussing potential downsides, Shapiro warned that the acidity of apple cider vinegar may cause discomfort for some individuals. Therefore, caution is advisable when incorporating such ingredients into one’s diet.
The trend known as ‘fibermaxxing’ has become prevalent as many people have started to increase their daily fiber intake. Robin DeCicco, a certified holistic nutritionist in New York, shed light on the numerous health benefits that accompany higher fiber consumption. She emphasized its importance, stating, “Everything from gastrointestinal health to cardiovascular health, weight management, prevention of diabetes and certain cancers, to feeling fuller throughout the day and minimizing cravings for sugars and starches, are all major benefits of fiber intake.”
DeCicco encourages individuals to diversify their meals with colorful foods and suggests including nuts and seeds as enhancements for fiber intake. She said, “Color is synonymous with fiber—berries with breakfast, snacks consisting of carrot and celery sticks with pumpkin and sunflower seeds, or apple slices with natural peanut butter, and meals with side salads.”
However, she advises newcomers to fiber to gradually increase their intake. Rapid changes can overwhelm the digestive system.
A Tailored Approach to Health
Health can be a personalized journey. DeCicco cautioned that those with pre-existing gastrointestinal conditions must modify their approaches based on their individual circumstances. The key is to listen to one’s body and make adjustments accordingly.
Considering the insights from Bell’s experience and expert opinions, it becomes clear that awareness of dietary impacts on blood sugar is crucial. Implementing strategies such as consuming fiber before meals can lead to significant enhancements in health and well-being.
As more individuals prioritize their health, understanding the benefits of dietary adjustments remains essential. Bell’s experience illustrates how small changes can foster better health outcomes and inspire others to embark on their health journeys.
As ongoing research on dietary habits continues to evolve, the message is clear. Preparing the body with pre-meal fiber, whether through greens, vinegar, or supplements, can serve as a valuable tool in managing blood sugar effectively. Kristen Bell’s approach may inspire others to explore the benefits of biohacking and consider how dietary choices can transform their health.
